Shelly 3EM
Downloads
Manuals
Compliance
- Shelly 3EM multilingual EU declaration of conformity.pdf
- Shelly 3EM UK PSTI ACT Statement of compliance.pdf
- Shelly 3EM AU NZ Certificate for Suitability.pdf
What is Shelly 3EM?
The professional 3-phase energy meter
Shelly 3EM can calculate two-way energy consumption: both produced and used energy for each of the three phases. The device can be configured to measure three separate single-phase points in an electrical system, allowing individual monitoring of each circuit.
Features
- No HUB required
- Wide voltage range support
- Anti-energy theft protection
- Overconsumption and over-energy protection
- Seamless integration with all other Shelly devices
- Compatible with Android, iOS, Amazon Alexa, Google Assistant, and home automation servers via MQTT, CoAP, and REST API
- Easy integration with Arduino projects for use in automation systems
Specification
POWER
- Power supply (AC): 110–230 V ±10%, 50/60 Hz
- Power supply (DC): Not supported
SPECIAL FUNCTIONS
- Contactor control: Yes – up to 10 A
- Roller shutter mode: No
- Device temperature protection: No
- Overload protection: No
- Power measurement: Yes
FEATURES
- In-box components: 3 × Current Transformers (120 A)
- Channels: 3-channel
- Operating temperature: 0 to +40 °C
- Device power consumption: < 1 W
- Intelligent On/Off: Yes
- Local and remote control: Yes
- Sunrise/Sunset scheduling: Yes
- Weekly schedule: Yes
- UL Listed option: No
CONNECTIVITY
- Wireless/WiFi protocol: IEEE 802.11 b/g/n
- Radio frequency: 2400 – 2500 MHz
- Range: Up to 50 m outdoors, up to 30 m indoors (varies based on building materials)
DIMENSIONS
- Size: 73 mm × 57 mm × 22 mm
Wiring Diagrams
Use Cases
Optimize energy usage
Want to live sustainably while saving energy, money, and reducing CO₂ emissions? With Shelly 3EM, you can monitor energy consumption across individual circuits, appliances, or your entire home—enabling smarter energy management. If you have solar panels or wind turbines, track how much energy you’re generating and maximize savings effortlessly.
Detailed insights into electricity consumption
Shelly 3EM provides detailed visibility into your electrical network’s quality, including active power, reactive power, voltage levels, and power factor. Monitor your facility or home to prevent unexpected costs and avoid damage from voltage drops or instability that could harm appliances and equipment.